112021100 has 18 divisors (see below), whose sum is σ = 243086004. Its totient is φ = 44808400.

The previous prime is 112021097. The next prime is 112021111. The reversal of 112021100 is 1120211.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560006 + ... + 560205.

It is an arithmetic number, because the mean of its divisors is an integer number (13504778).

Almost surely, 2^112021100 is an apocalyptic number.

112021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021100 is an abundant number, since it is smaller than the sum of its proper divisors (131064904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112021100 is a wasteful number, since it uses less digits than its factorization.

112021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120225 (or 1120218 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 112021100 is about 10584.0020786090. The cubic root of 112021100 is about 482.0587211735.

Adding to 112021100 its reverse (1120211), we get a palindrome (113141311).

Multiplying 112021100 by its reverse (1120211), we get a square (125487268452100 = 11202110²).

112021100 divided by its reverse (1120211) gives a square (100 = 10²).

The spelling of 112021100 in words is "one hundred twelve million, twenty-one thousand, one hundred".